Alert archive / Missouri / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 265

May 11, 200015 counties in Kansas; 19 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at May 11, 2000, 7:00 PM CDT for 15 counties in Kansas; 19 counties in Missouri. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 11, 2000, 7:00 PM CDT (00:00 UTC)
Expired
May 12, 2000, 12:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 34 counties

Atchison County, KS, Brown County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Morris County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Livingston County, MO, Mercer County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO

The radar

The Topeka radar (KTWX), 86 km from the middle of the area, began a volume at 00:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Warnings issued inside it

21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 11, 7:04 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Shawnee, Wabaunsee31 min
May 11, 7:18 PM CDTSevere Thunderstorm WarningEAXAtchison, Doniphan27 min
May 11, 7:35 PM CDTSevere Thunderstorm WarningTOPShawnee40 min
May 11, 7:44 PM CDTSevere Thunderstorm WarningEAXAtchison31 min
May 11, 8:15 PM CDTSevere Thunderstorm WarningEAXAtchison45 min
May 11, 8:15 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Shawnee, Wabaunsee40 min
May 11, 8:47 PM CDTTornado WarningTOPJefferson, Shawnee38 min
May 11, 8:56 PM CDTSevere Thunderstorm WarningEAXBuchanan, Clinton, Platte49 min
May 11, 9:24 PM CDTTornado WarningTOPDouglas, Jefferson31 min
May 11, 9:31 PM CDTTornado WarningEAXLeavenworth44 min
May 11, 9:38 PM CDTSevere Thunderstorm WarningTOPShawnee32 min
May 11, 9:58 PM CDTFlash Flood WarningTOPShawnee, Wabaunsee62 min
May 11, 10:00 PM CDTTornado WarningEAXLeavenworth, Wyandotte45 min
May 11, 10:08 PM CDTSevere Thunderstorm WarningEAXJohnson52 min
May 11, 10:08 PM CDTSevere Thunderstorm WarningTOPJackson, Pottawatomie42 min
May 11, 10:17 PM CDTSevere Thunderstorm WarningEAXClay, Platte58 min
May 11, 10:48 PM CDTSevere Thunderstorm WarningTOPJackson, Pottawatomie47 min
May 11, 11:11 PM CDTSevere Thunderstorm WarningEAXClay, Platte64 min
May 11, 11:15 PM CDTSevere Thunderstorm WarningEAXJohnson, Wyandotte60 min
May 11, 11:25 PM CDTTornado WarningEAXClay50 min
May 11, 11:48 PM CDTTornado WarningEAXLafayette, Ray42 min

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.0 hours before the alert went out and 46 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2000-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4491 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2000-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
4491 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1450 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
3.3
Supercell composite
30.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 12:00 AM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Doniphan, Douglas, Geary, Jackson and 12 more5 hr
May 12, 2:00 AM CDTSevere Thunderstorm WatchSPCAtchison, Gentry, Harrison, Holt, Mercer, Nodaway and 3 more5 hr
May 12, 4:30 PM CDTSevere Thunderstorm WatchSPCCarter, Christian, Crawford, Dent, Douglas, Franklin and 26 more6 hr

Nearby

Severe Thunderstorm Watches in Missouri, 2000Severe Thunderstorm Watches in Kansas, 2000Every severe thunderstorm watch in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.